public IEnumerable<CodeIssue> GetIssues(IDocument document, CommonSyntaxNode node, CancellationToken cancellationToken)
{
var tokens = from nodeOrToken in node.ChildNodesAndTokens()
where nodeOrToken.IsToken
select nodeOrToken.AsToken();
foreach (var token in tokens)
{
var tokenText = token.GetText();
if (tokenText.Contains('a'))
{
var issueDescription = string.Format("'{0}' contains the letter 'a'", tokenText);
yield return new CodeIssue(CodeIssue.Severity.Warning, token.Span, issueDescription);
}
}
}
private void AddNode(TreeViewItem parentItem, CommonSyntaxNode node)
{
var kind = node.GetKind(SourceLanguage);
var tag = new SyntaxTag()
{
SyntaxNode = node,
Category = SyntaxCategory.SyntaxNode,
Span = node.Span,
FullSpan = node.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = false,
Foreground = Brushes.LightBlue,
FontSize = 13,
//Background = node.ContainsDiagnostics ? Brushes.Pink : Brushes.AliceBlue,
Header = tag.Kind + " " + node.Span.ToString()
};
if (SyntaxTree != null && node.ContainsDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(node))
{
item.ToolTip += diagnostic.ToString(null) + "\n";
}
item.ToolTip = item.ToolTip.ToString().Trim();
}
item.Selected += new RoutedEventHandler(async(sender, e) =>
{
isNavigatingFromTreeToSource = true;
//typeTextLabel.Visibility = Visibility.Visible;
//kindTextLabel.Visibility = Visibility.Visible;
//kindValueLabel.Content = kind;
item.IsExpanded = true;
if (!isNavigatingFromSourceToTree && SyntaxNodeNavigationToSourceRequested != null)
{
SyntaxNodeNavigationToSourceRequested(node);
}
try
{
propertyGrid.Instance = node;
}
catch { }
isNavigatingFromTreeToSource = false;
e.Handled = true;
});
item.Expanded += new RoutedEventHandler((sender, e) =>
{
if (item.Items.Count == 1 && item.Items[0] == null)
{
// Remove placeholder child and populate real children.
item.Items.RemoveAt(0);
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
});
if (parentItem == root)
{
parentItem.Items.Clear();
parentItem.Items.Add(item);
parentItem.IsExpanded = true;
}
else
{
parentItem.Items.Add(item);
}
if (node.ChildNodesAndTokens().Count > 0)
{
if (IsLazy)
{
// Add placeholder child to indicate that real children need to be populated on expansion.
item.Items.Add(null);
}
else
{
// Recursively populate all descendants.
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
}
}
private void AddNode(TreeViewItem parentItem, CommonSyntaxNode node)
{
var kind = node.GetKind(SourceLanguage);
var tag = new SyntaxTag()
{
SyntaxNode = node,
IsSyntaxNode = true,
IsSyntaxToken = false,
IsSyntaxTrivia = false,
Span = node.Span,
FullSpan = node.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = true,
Foreground = Brushes.Blue,
Background = node.HasDiagnostics ? Brushes.Pink : Brushes.White,
Header = tag.Kind + " " + node.Span.ToString()
};
if (node.HasDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(node))
{
item.ToolTip += diagnostic.ToString(null) + "\n";
}
item.ToolTip = item.ToolTip.ToString().Trim();
}
item.Selected += new RoutedEventHandler((sender, e) =>
{
if (!e.Handled)
{
isNavigatingFromTreeToSource = true;
typeTextLabel.Visibility = Visibility.Visible;
kindTextLabel.Visibility = Visibility.Visible;
typeValueLabel.Content = node.GetType().Name;
kindValueLabel.Content = kind;
propertyGrid.SelectedObject = node;
// If IsLazy is true then populate only child items.
if (IsLazy && item.Items.Count == 0 && node.HasChildren)
{
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
item.IsExpanded = true;
if (!isNavigatingFromSourceToTree && SyntaxNodeNavigationToSourceRequested != null)
{
SyntaxNodeNavigationToSourceRequested(node);
}
isNavigatingFromTreeToSource = false;
e.Handled = true;
}
});
if (parentItem == null)
{
treeView.Items.Clear();
treeView.Items.Add(item);
}
else
{
parentItem.Items.Add(item);
}
// If IsLazy is false then recursively populate all descendent items.
if (!IsLazy && node.HasChildren)
{
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
}
private void AddNode(TreeViewItem parentItem, CommonSyntaxNode node)
{
var kind = node.GetKind(SourceLanguage);
var tag = new SyntaxTag()
{
SyntaxNode = node,
IsSyntaxNode = true,
IsSyntaxToken = false,
IsSyntaxTrivia = false,
Span = node.Span,
FullSpan = node.FullSpan,
Kind = kind,
ParentItem = parentItem
};
var item = new TreeViewItem()
{
Tag = tag,
IsExpanded = true,
Foreground = Brushes.Blue,
Background = node.HasDiagnostics ? Brushes.Pink : Brushes.White,
Header = tag.Kind + " " + node.Span.ToString()
};
if (node.HasDiagnostics)
{
item.ToolTip = string.Empty;
foreach (var diagnostic in SyntaxTree.GetDiagnostics(node))
{
item.ToolTip += diagnostic.ToString(null) + "\n";
}
item.ToolTip = item.ToolTip.ToString().Trim();
}
item.Selected += new RoutedEventHandler((sender, e) =>
{
if (!e.Handled)
{
isNavigatingFromTreeToSource = true;
typeTextLabel.Visibility = Visibility.Visible;
kindTextLabel.Visibility = Visibility.Visible;
typeValueLabel.Content = node.GetType().Name;
kindValueLabel.Content = kind;
propertyGrid.SelectedObject = node;
// If IsLazy is true then populate only child items.
if (IsLazy && item.Items.Count == 0 && node.HasChildren)
{
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
item.IsExpanded = true;
if (!isNavigatingFromSourceToTree && SyntaxNodeNavigationToSourceRequested != null)
{
SyntaxNodeNavigationToSourceRequested(node);
}
isNavigatingFromTreeToSource = false;
e.Handled = true;
}
});
if (parentItem == null)
{
treeView.Items.Clear();
treeView.Items.Add(item);
}
else
{
parentItem.Items.Add(item);
}
// If IsLazy is false then recursively populate all descendent items.
if (!IsLazy && node.HasChildren)
{
foreach (var child in node.ChildNodesAndTokens())
{
AddNodeOrToken(item, child);
}
}
}
